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3,337
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texts 3,337
COLLECTION
TOPIC
Natural history 763
Science 574
Birds 346
Zoology 231
Birds -- Periodicals 154
Geology 152
Agriculture 138
Insects 121
American Museum of Natural History 84
Natural history museums 72
Paleontology 64
Mammals 60
Anatomy, Comparative 53
Medicine 52
Morphology 49
Birds -- Great Britain 47
Biology 32
Birds -- North America 32
Entomology 26
Fishes 26
Antiquities 24
Geography 24
Literature 24
Mathematics 24
Reptiles 24
Birds -- Great Britain Periodicals 23
Museums 23
Birds -- Hungary Periodicals 22
Birds -- United States 22
Manchester Literary and Philosophical Society 22
Animals 20
Birds -- Conservation Periodicals 20
Evolution -- Periodicals 20
Nature study 20
Biology, Experimental 19
Ethnology 19
Medicine, Experimental 19
Philology 19
Physiology 19
Beetles 18
Amphibians 17
Birds -- India 17
Hunting 17
Indians of North America 16
Mines and mineral resources 16
British Museum (Natural History) 15
Heredity 15
New York State Museum 15
Birds -- Australasia Periodicals 13
Birds -- Australia 13
Birds -- Denmark Periodicals 13
Cage birds 13
Genetics 13
Horses 13
Snakes 13
Arts 12
Bear Mountain Trailside Museum 12
Geomorphology 12
Learned institutions and societies 12
Meteorology 12
Physical geography 12
Animal behavior 11
Nature trails 11
Scientific expeditions 10
Arachnida 9
Aviculture 9
Birds -- Juvenile literature 9
Birds -- Netherlands Periodicals 9
Game and game-birds 9
genealogy 9
Bering Sea controversy 8
Birds -- Europe 8
Birds -- New England 8
Sealing 8
Birds -- Nests 7
Brain 7
Eggs 7
Invertebrates 7
Mollusks 7
Ornithologische Gesellschaft in Bayern 7
Parasitology 7
Photography of birds 7
Plants 7
Primates 7
Birds -- Belgium Periodicals 6
Birds -- Eggs Australia 6
Birds -- Eggs Great Britain 6
Birds -- Migration 6
Birds -- Nests Australia 6
Collection and preservation 6
Indians of Central America 6
Indians of Mexico 6
Indians of South America 6
Nature conservation 6
Pigeons 6
Universidad Central del Ecuador 6
Universities and colleges 6
Birds -- Anatomy 5
Birds -- Australia Tasmania 5
Birds -- Collection and preservation 5
Birds -- South Africa 5
Geological and Polytechnic Society of the West Riding of Yorkshire 5
Incas 5
Mollusks, Fossil 5
Popular works 5
Sponges 5
Ungulates 5
Babault, Guy 4
Birds -- Eggs Australia Tasmania 4
Birds -- England 4
Birds -- England Norfolk 4
Birds -- Nests Australia Tasmania 4
Birds -- Nests Great Britain 4
Birds -- West (U.S.) 4
Birdsongs 4
Corals 4
Human evolution 4
Arabian horse 3
Birds -- Behavior 3
Birds -- Canada 3
Birds -- Caucasus 3
Birds -- Classification 3
Birds -- Conservation 3
Birds -- Eggs Netherlands 3
Birds -- Hungary 3
Birds -- Illinois 3
Birds -- Indonesia Maluku 3
Birds -- Ireland 3
Birds -- Netherlands 3
Birds -- Russia (Federation), Western 3
Birds -- Washington (State) 3
Birds of prey 3
Central Asiatic Expeditions (1921-1930) 3
Fishes, Fossil 3
Flight 3
Fossils 3
Fourier, Charles, 1772-1837 3
Hybridization 3
Lizards 3
Natural history -- Outdoor books 3
Naturalists 3
New York State Roosevelt Memorial 3
Plants, Fossil 3
Poultry 3
Roosevelt, Theodore, 1858-1919 3
Socialism -- France 3
Xenarthra 3
Bears 2
Birds -- Africa 2
Birds -- Australia Identification 2
Birds -- Belgium 2
Birds -- California 2
Birds -- Catalogs and collections 2
Birds -- China 2
Birds -- Colorado 2
Birds -- Eggs India 2
Birds -- England Yorkshire 2
Birds -- Folklore 2
Birds -- Germany Helgoland 2
Birds -- Great Britain Bibliography 2
Birds -- Iceland 2
Birds -- Japan 2
Birds -- Mexico 2
Birds -- Nests India 2
Birds -- New Hampshire 2
Birds -- New Zealand 2
Birds -- Nomenclature 2
Birds -- Papua New Guinea 2
Birds -- Physiology 2
Birds -- Pictorial works 2
Birds -- Poland Periodicals 2
Birds -- Scotland Hebrides 2
Birds -- South Asia 2
Birds -- Switzerland Periodicals 2
Botany 2
Brewster-Sanford Expedition of the American Museum of Natural History (1912-1917) 2
Carnivora 2
Catalogs and collections 2
Cnidaria 2
Coal 2
Dinosaurs 2
Dogs 2
Elephants 2
Evolution 2
Falconiformes 2
Fossil hominids 2
Freshwater animals 2
Freshwater fishes 2
Frogs 2
Galls (Botany) 2
Game protection 2
Geology, Stratigraphic 2
Grouse 2
Hummingbirds 2
Insect pests 2
Intellect 2
Könglich-böhmische Gesellschaft der Wissenschaften (Prague, Czechoslovakia) 2
Ornithologischer Verein M 2
Ornithology 2
Passeriformes -- Great Britain 2
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